User:PKM/sandbox
From Wikipedia, the free encyclopedia
Turkey red is a natural dye based on madder, ?? developed in the Ottoman Empire and exported throughout Europe. Turkey red was produced from madder root via a complicated process involving "sumac and oak galls, calf's blood, sheep's dung, oil, soda, alum, and a solution of tin.".[1] Turkey red remained a closely guarded secret...
in Scotland...[2]